All Photos(1)

15614

Sigma-Aldrich

Hexamethylenetetramine

meets analytical specification of Ph. Eur., BP, 99-100.5% (calc. to the dried substance)

Synonym(s):
Urotropine, Methenamine, Hexamine, 1,3,5,7-Tetraazatricyclo[3.3.1.13,7]decane
Empirical Formula (Hill Notation):
C6H12N4
CAS Number:
Molecular Weight:
140.19
Beilstein:
2018
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

<0.01 mmHg ( 20 °C)

Quality Level

assay

99-100.5% (calc. to the dried substance)

autoignition temp.

770 °F

quality

meets analytical specification of Ph. Eur., BP

impurities

acidic and alkalic reac. substances, complies
residual solvents, in accordance
≤0.002% heavy metals (as Pb)
≤0.005% free formaldehyde

loss

≤2% loss on drying

mp

280 °C (subl.) (lit.)

solubility

H2O: soluble

anion traces

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg

suitability

complies for appearance of solution

application(s)

pharmaceutical (small molecule)

SMILES string

C1N2CN3CN1CN(C2)C3

InChI

1S/C6H12N4/c1-7-2-9-4-8(1)5-10(3-7)6-9/h1-6H2

InChI key

VKYKSIONXSXAKP-UHFFFAOYSA-N

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Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Sol. 2 - Skin Sens. 1B

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 1

Flash Point(F)

482.0 °F - closed cup

Flash Point(C)

250 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Enhanced quantum dot deposition on ZnO nanorods for photovoltaics through layer-by-layer processing.
<BIG>Joe Briscoe</BIG>
Journal of Materials Chemistry, 2517-2523 (2011)
E M Rodríguez et al.
Histochemistry, 81(3), 253-263 (1984-01-01)
The use of butyl-methyl-methacrylate embedding and the application of the silver methenamine (SM) method as a poststaining of the immunoperoxidase-DAB (IP) procedure led to the standardization of several useful methods for the visualization of tissue antigens at the light and
Hong Yu et al.
Nanoscale, 6(18), 10556-10561 (2014-08-15)
Ternary metal oxides have been receiving wide attention in electrochemical energy storage due to their rich redox reactions and tuneable conductivity. We present a simple solution-based method to prepare a 3D interconnected porous network of ternary metal oxide (CoMoO₄ and
Vincent Consonni et al.
ACS nano, 8(5), 4761-4770 (2014-04-12)
Controlling the polarity of ZnO nanowires in addition to the uniformity of their structural morphology in terms of position, vertical alignment, length, diameter, and period is still a technological and fundamental challenge for real-world device integration. In order to tackle
P Restani et al.
Food additives and contaminants, 9(5), 597-605 (1992-09-01)
Formaldehyde (FA) and hexamethylenetetramine (HMT) are used in cheese production to control gas-forming clostridia; FA also occurs naturally in some foods at levels of 1-20 mg/kg. The toxicology of FA and HMT are briefly discussed together with their reaction in

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